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RE: RIAA vs NAB curves = differences & similarities...

Posted by DewDude (A) on July 23, 2017 at 19:30:32

In Reply to: RIAA vs NAB curves = differences & similarities... posted by Interstage Tranny on July 22, 2017 at 09:16:33:

One thing that always bothered is is that while the curves we're supposed to use are standardized...how much deviation is there due to all the elements involved. I don't know much about cutting an LP..I don't know where de-emphasis is applied. But I always felt, especially with older LPs...this was all done on analog equipment that will have some drift, and maybe even the way the LP was cut could vary this....and that's before I took in to consideration variances in curves just from out-of-spec/loose values.

I just never got a setup serious enough to want to investigate flat recording...mostly because back then I didn't possess the skills to look at a schematic and make one out of a pile of parts. The MR1 stock seems to do it ok....I haven't actually checked the mic inputs to see if they're loading the cartridge properly; I may get some improvement by just building a preamp and taking out the RIAA feedback stage. I may just leave it alone because the test recording I made came out sounding relatively distortion free and the NAB curve gives it more punch. I do have a CD transfer to compare to...but the CD is done so horribly I don't know if I trust it.

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